There are no active watches, warnings or advisories for Jefferson (Colorado).

Regional Radar Regional Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.
METRIC | IMPERIAL
Updated: 11/21/2014 @ 3:00:00 am  
Summary / Temperature Wind Rain/Melted Snow Fire Risk


Dry, Clear skies
Dry, Clear skies

39.1°F Warmer 0.8°F than last hour.
---
Currently 39.1, Max: 39.6, Min: 35.6 Feels like:
39°F

24-hr
difference
9.8°FWarmer 9.8°F than yesterday at this time.
TEMP: HIGH: LOW:
Today: 39.6°F 35.6°F
12:27am 12:00am
Yesterday: 47.4°F 26.8°F
2:31pm 4:34am
Record: 69.0°F 1.0°F
2003 1985
Normal: 48.0°F 29.0°F
 Wind from NNW NNW
1.4
Gust:
1
Light Air
60-Min Avg: 1.8 mph
120-Min Avg: 1.9 mph
Max Gust: 7 mph 2:55am
Month: 49 mph Nov 7
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
11/16/2014
9:30 PM
November: 0.50 in
Last 7 Days: 0.19 in
Rain Season:1 17.44 in
Rain Days: 103 in 2014
4 days since last rain.
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
28.9
at 03:00 AM
Barometer Humidity/Dew Point Sun/Moon
Current: 29.950 inHg Rising 0.001 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling slowly
Today: Todays High 29.979
Todays Low 29.949
Humidity: 40 % Decreased 2% since last hour.
Humidex: 32.3°F     
Today: Todays High     
Todays Low     
Dew Point: 16.8°F Decreased 0.4°F since last hour.
Wetbulb: 32.4°F     
Daylight:
Possible hours of Daylight
9:49
+ -00:01:43 Min
Evening Crescent, 28 days, 12 hours, 5 minutes in cycle
33% Illuminated
UV Summary/Forecast Solar Summary
High Yest:   4.3 @ 11:01am
21 Nov 2014   Low   2.2   
22 Nov 2014   Low   2.4   
High Yest:   563.0 @ 12:33pm
Today: 00:00  Month: 35:10 Hrs
Rise: 6:51 AM  Set: 4:40 PM
Wind Chill Heating Degree Days Air Quality6
Current: 39.1°F
Today: 34.1°F  at 1:17am
Yesterday: 22.9°F
Last Week: -4.4°F
Record: -23.8°F   01-Feb-2011
Today: 3.3
November: 587.4
2014 to Date: 4238.8
Cooling Degree Days
2014 to Date: 509.3
Current AQI

66


Moderate
Snow3 Irrigation Index5 Station All Time Records Cloud Level
Today: 0.00 in
Yesterday: 0.00 in
November: 6.00 in
Season Total:2 6.12 in
Snow Depth: 0.00 in
4 snow days in November
5 snow days this season.2
Updated at Midnight
Current: 0.02 in   
7-Days Rain: 0.19 in   
7-Days ET: 0.40 in   
7-Day: -0.212 in 0.212 in water in deficit of what evaporated in last 7 days.
November: -0.88 in 0.88 in water in deficit of what evaporated this month.
Outside Now
Air Density: 1.274 kg/m3
HIGHS: LOWS:
99.3°F
25-Jun-2012
-13.9°F
02-Feb-2011
Daytime Records
    95.5°F
25-Jun-2012
  -4.9°F
01-Feb-2011
Nitetime Records
  82.0°F
24-Jun-2012
-9.4°F
02-Feb-2011
ICN:1 ISS:Ok CON:4.6 RCP:100%
1 Rain season: Jan 1st to Dec 31st.    2 Snow season October 1st to September 30th.    3 Snow manually measured usually around 7AM and 7PM.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.) 6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.
 NWS Weather Forecast  -   Outlook Overnight & Friday
Overnight

Partly Cloudy
Partly
Cloudy
Lo 26 °F
NWS forecast: Partly cloudy, with a low around 26. West wind around 6 mph.
WXSIM forecast: Partly cloudy in the evening, becoming fair to partly cloudy after midnight. Low 25°. Wind west around 3 mph.
Friday

Mostly Sunny
Mostly
Sunny
Hi 51 °F
NWS forecast: Mostly sunny, with a high near 51. West southwest wind around 5 mph becoming light and variable in the afternoon.
WXSIM forecast: Sunny. High 47°. Wind west-northwest around 3 mph.
 NWS Short Term Weather Forecast
Friday

Mostly Sunny
Mostly
Sunny
Hi 51 °F
Friday
Night

Partly Cloudy
Partly
Cloudy
Lo 30 °F
Saturday

Partly Sunny
Partly
Sunny
Hi 55 °F
Saturday
Night

Slight Chc Snow. Chance for Measurable Precipitation 10%
Slight Chc
Snow
Lo 30 °F
Sunday

Breezy
Breezy

Hi 37 °F
Sunday
Night

Mostly Cloudy
Mostly
Cloudy
Lo 23 °F
Monday

Windy
Windy

Hi 37 °F
Monday
Night

Blustery
Blustery

Lo 21 °F
Version 5.03 09-Apr-2010 - Script Mods by: WebsterWeatherLIVE.com
Some Colorado Weather Facts:
The highest temperature on record was 105 F in 2005.

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